Answer:the independent variable is the variable that won’t be artificially changed
Explanation:
for example, if you experiment about how tall a plant will grow by using different solutions, the dependent variable the the solution, the independent variable is the plant height
Answer:
The reason why cities tended to develop in the region of the fall line of rivers is because of the need to offload goods from the ships since navigation will be hindered at the zone.
Explanation:
Fall line is a region that separates the upland or mountainous zone from the lowland river bodies, where waterfall also occurs. The waterfall in this region tends to expose the beneath bedrock materials and stop the movement of riverboats and ships upstream. Therefore, the boats must offload their goods, which tends to induce the formation of ports and majorly settlement by commercially oriented people who are willing to utilize the opportunity to trade on the commodities offloaded. The emergence of cities along the river fall lines is owing to this reason.
Answer:
The systolic pressure is 120, and the diastolic p
ressure is 80.
There is no correlation between the number of chromosomes and the complexity of an organism. For example a horse as more chromosomes than we do and so does the Adder's tongue. We can not say that they are more complex.
Answer:
Morality and Emigration
Explanation:
Mortality and emigration decrease the population. Thus, the size of any population is the result of the relationships among these rates. Natality, mortality, immigration, and emigration rates apply to every population, including the human population. The sum of these rates makes up the growth rate of a population.